Why is potassium permanganate used for purifying drinking water ?
It kills germs
It dissolves the impurities
It is a reducing agent
It is an oxidizing agent
Answer is Right!
Answer is Wrong!
This question was previously asked in
UPSC NDA-2 – 2017
The correct answer is It is an oxidizing agent.
Potassium permanganate (KMnO₄) is a strong oxidizing agent. Its oxidizing properties are utilized in water purification to kill bacteria and other microorganisms (germs), and to oxidize impurities like dissolved iron and manganese, causing them to precipitate and be easily removed.